Oct 26, 1999

Acute lower respiratory infections in hospitalized children over a 6 year period in Tokyo

Pediatrics International : Official Journal of the Japan Pediatric Society
S SonodaT Nakayama

Abstract

Acute lower respiratory infections are major causes of hospitalization in children and are mainly caused by respiratory viruses. In the present study, we investigated the etiologic agents responsible for acute lower respiratory infections from the period November 1986 to October 1992 in order to determine the seasonal pattern and different characteristics of age distribution of respiratory infectious agents, mainly virus infections. A total of 1521 patients with lower respiratory infections was hospitalized in Saiseikai Central Hospital, Tokyo, Japan. Nasopharyngeal secretions were obtained for virus isolation and paired sera in the acute and convalescent phases were obtained for serological examination. Etiological agents were identified in 668 of 1521 patients (43.9%) by serological antibody responses, virus isolation and/or detection of virus antigen: 240 (15.8%) with respiratory syncytial (RS) virus; 62 (4.1%) with influenza virus type A; 26 (1.7%) with influenza virus type B; 86 (5.7%) with adenovirus; 81 (5.3%) with parainfluenza virus; 32 (2.1%) with measles virus; 20 (1.3%) with enteroviruses or Herpes virus other than respiratory viruses; 75 (4.9%) with Mycoplasma pneumoniae; 10 (0.7%) with pertussis; and 36 (2.4%) wit...Continue Reading

Mentioned in this Paper

Tumor Virus Infections
Respiratory Syncytial Virus Infections
Measles virus
Mycoplasma pneumoniae
Virus Diseases
Nasopharynx
Pertussis
Paramyxoviridae Infections
Influenzavirus B
Coinfection

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